Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the Equilibrium constant Activation energy None of these Heat of reaction TRUE ANSWER : ? YOUR ANSWER : ?
With increase in temperature, the equilibrium conversion of a reversible exothermic reaction Decreases Decreases linearily with temperature Increases Remains unaffected TRUE ANSWER : ? YOUR ANSWER : ?
The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. Second First None of these Zero TRUE ANSWER : ? YOUR ANSWER : ?
During manufacture of H₂SO₄, the oxidation of SO₂ to SO₃ by oxygen is an en- dothermic reaction. The yield of SO₃ will be maximised, if the Temperature is increased and pressure is reduced Temperature is increased Temperature is reduced and pressure is increased Pressure is reduced TRUE ANSWER : ? YOUR ANSWER : ?
From collison theory, the reaction rate constant is proportional to Exp(- E/RT) Tm.exp(- E/RT) Exp(- E/2RT) √T TRUE ANSWER : ? YOUR ANSWER : ?
Semibatch reactor is preferred, when a/an A highly exothermic reaction is to be controlled A gas is to be reacted with liquid (e.g. hydrogenation of fat) Undersirable side reaction (at high concentration of one of the reactants) is to be avoided All of these TRUE ANSWER : ? YOUR ANSWER : ?
A balanced chemical reaction equation conforms to the law of Gaseous volumes Avagadro's hypothesis Conservation of mass None ofthese TRUE ANSWER : ? YOUR ANSWER : ?
The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor. Smaller than Equal to Greater than Unpredictable from the data TRUE ANSWER : ? YOUR ANSWER : ?
Specific rate constant for a second order reaction Varies with temperature Both B and C Depends on the nature of the reactants Is independent of temperature TRUE ANSWER : ? YOUR ANSWER : ?